Node adjustment, Plc block transfer instruction data, Message operation – Rockwell Automation 1336T Function Block Prog. Manual, Series A/B User Manual

Page 151: Read block link

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5–35

Block Transfer Services

1336 FORCE — 5.9 August 1995

The Read Block Link message reads the link information for an entire
block.

PLC Block Transfer Instruction Data

BTW Instruction Length:

3 Words

BTR Instruction Length:

36 Words

0

Header

Word 1

Header

Word 1

80ID

0F06

80ID

Parameter Number

Message Structure

Header

Word 2

Header

Word 3

Header

Word 2

Header

Word 3

0

PLC Request –– Block Transfer Write

Drive Response –– Block Transfer Read

Packet Number

Data

Word 4

Node 0 Source

Node 0 File Number

Data

Word 5

Data

Word 6

Node 15 Source

Data

Word 35

•••

Node 1 Source

Node 1 File Number

Data

Word 7

Data

Word 8

Node 15 File Number

Data

Word 36

PLC Decimal Value

0F06 –– Message OK

8F06 –– Message Error

Hex

ID = block ID number

0

Message Operation

The Read Block Link message reads the source nodes that are linked
to the specified block. The returned message packet contains 33 data
buffer words, and is always padded with zeros to length.

Currently, the packet number must be zero.

Currently, you can disregard the file number.

Node Adjustment:

Read Block Link

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